package com.itheima.utils;

import com.google.gson.Gson;
import com.qiniu.common.QiniuException;
import com.qiniu.http.Response;
import com.qiniu.storage.BucketManager;
import com.qiniu.storage.Region;
import com.qiniu.storage.Configuration;
import com.qiniu.storage.UploadManager;
import com.qiniu.storage.model.DefaultPutRet;
import com.qiniu.util.Auth;

import java.io.UnsupportedEncodingException;
import java.util.ResourceBundle;

public class QiNiuUtil {
    private static final String accessKey;
    private static final String secretKey;
    private static final String bucket;
    static {
        //...生成上传凭证，然后准备上传
        ResourceBundle bundle = ResourceBundle.getBundle("qiniu");

        accessKey = bundle.getString("accessKey");
        secretKey = bundle.getString("secretKey");
        bucket = bundle.getString("bucket");
        /*String accessKey = "your access key";
        String secretKey = "your secret key";
        String bucket = "your bucket name";*/
    }
    public static void uploadImage2QiNiu(byte[] bytes,String imgName) {

        //构造一个带指定 Region 对象的配置类
        Configuration cfg = new Configuration(Region.huabei());
        //...其他参数参考类注释

        UploadManager uploadManager = new UploadManager(cfg);

        //默认不指定key的情况下，以文件内容的hash值作为文件名
        String key = imgName;

        byte[] uploadBytes = bytes;
        Auth auth = Auth.create(accessKey, secretKey);
        String upToken = auth.uploadToken(bucket);

        try {
            Response response = uploadManager.put(uploadBytes, key, upToken);
            //解析上传成功的结果
            DefaultPutRet putRet = new Gson().fromJson(response.bodyString(), DefaultPutRet.class);
        } catch (QiniuException ex) {
            Response r = ex.response;
            System.err.println(r.toString());
            try {
                System.err.println(r.bodyString());
            } catch (QiniuException ex2) {
                //ignore
                System.err.println(ex2);
            }

        }
    }
    //删除文件
    public static void deleteFileFromQiniu(String fileName){
        //构造一个带指定Zone对象的配置类
        Configuration cfg = new Configuration(Region.huabei());
        String key = fileName;
        Auth auth = Auth.create(accessKey, secretKey);
        BucketManager bucketManager = new BucketManager(auth, cfg);
        try {
            bucketManager.delete(bucket, key);
        } catch (QiniuException ex) {
            //如果遇到异常，说明删除失败
            System.err.println(ex.code());
            System.err.println(ex.response.toString());
        }
    }
}